Management and control network platform for threshing and redrying production line

Abstract

The utility model discloses a management and control network platform for a threshing and redrying production line. The management and control network platform comprises a production control unit, a production information unit, an engineer station, a workshop core unit, a server group, an operation and maintenance management unit and a video display management and control system, the production control unit comprises a first field access layer and a first central control room convergence layer, and the first field access layer is in communication connection with the first central control room convergence layer; the production information unit comprises a second field access layer and a second central control room convergence layer; the second field access layer is in communication connection with the second central control room convergence layer; the engineer station is in communication connection with the first central control room convergence layer and the second central control room convergence layer; the operation and maintenance management unit is in communication connection with the second central control room convergence layer; the workshop core unit comprises a first core switch, and the first core switch is in communication connection with the first central control room convergence layer, the second central control room convergence layer, the server group and the video display management and control system. And comprehensive presentation and rapid scheduling of production operation and operation data are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette production equipment, and in particular to a management and control network platform for a leaf threshing and re-baking production line. Background Art

[0002] With the development of the tobacco industry, it is necessary to continuously promote the construction of internal informatization. A production monitoring system and a production scheduling management system have been built respectively to realize the daily monitoring and management of the production process in each link and meet the basic requirements of scheduling and command. However, it is necessary to generate scheduling results based on the information in the production monitoring system and then input them into the production scheduling management system. The system is complex, the scheduling is cumbersome and the efficiency is low. There is an urgent need for a management and control network platform that integrates monitoring, supervision, scheduling command and coordination to realize the comprehensive presentation and rapid scheduling of production operation and operational data. Utility Model Content

[0003] In order to solve at least one aspect of the above problems, the utility model provides a management and control network platform for a leaf threshing and redrying production line. By integrating the subsystems within the leaf threshing and redrying production line into a network, the comprehensive presentation and rapid scheduling of production operations and operational data are achieved.

[0004] The present application is realized through the following technical solutions: a management and control network platform for leaf threshing and redrying production lines, including a production control unit, a production information unit, an engineer station, a workshop core unit, a server group, an operation and maintenance management unit, and a video display management and control system; the production control unit includes a first field access layer and a first central control room convergence layer; the first field access layer includes a number of PLC controllers and detection devices, and the PLC controllers and detection devices are respectively connected to each production equipment in the production workshop for communication; the first central control room convergence layer includes a first central control switch, and the first central control switch is connected to each PLC controller and detection device for communication; the production information unit includes a second field access layer and a second central control room convergence layer; the second field access layer includes a number of display screens and The operation station, several display screens and operation stations are respectively communicated and connected with various production equipment in the production workshop; the second central control room aggregation layer includes the second central control switch, and the second central control switch is communicated and connected with several display screens and operation stations; the engineer station is communicated and connected with the first central control switch and the second central control switch; the workshop core unit includes the first core switch, and the first core switch is communicated and connected with the first central control switch and the second central control switch; the server group includes several servers, and several servers are communicated and connected with the first core switch; the operation and maintenance management unit includes several operation and maintenance management systems and operation and maintenance management platforms, and several operation and maintenance management systems and operation and maintenance management platforms are communicated and connected with the second central control switch; the video display control system is communicated and connected with the first core switch.

[0005] Preferably, the first central control room aggregation layer also includes a leaf beating segment switch, a leaf roasting segment switch, a pre-pressing and packaging segment switch and a stem roasting segment switch; the leaf beating segment switch, the leaf roasting segment switch, the pre-pressing and packaging segment switch, the stem roasting segment switch and the first central control switch are communicated and connected using a ring topology structure, and a number of PLC controllers and detection devices are respectively communicated and connected with the leaf beating segment switch, the leaf roasting segment switch, the pre-pressing and packaging segment switch, the stem roasting segment switch and the first central control switch.

[0006] Preferably, the first central control room aggregation layer also includes multiple switching switches, which are respectively communicated with the first central control switch, and / or the leaf beating section switch, and / or the leaf roasting section switch, and / or the pre-pressing and packaging section switch, and / or the stem roasting section switch; multiple PLC controllers and detection devices among the several PLC controllers and detection devices are respectively communicated with the multiple switching switches.

[0007] Preferably, the second central control room aggregation layer also includes a first field switch, a second field switch, a third field switch, a fourth field switch and a fifth field switch, and the first field switch, the second field switch, the third field switch, the fourth field switch and the fifth field switch are communicatively connected to the second central control switch using a star topology structure, and a number of display screens and operation stations are communicatively connected to the first field switch, the second field switch, the third field switch, the fourth field switch and the fifth field switch, respectively.

[0008] Preferably, the first on-site switch, the second on-site switch, the third on-site switch, the fourth on-site switch and the fifth on-site switch are all communicatively connected to the second central control switch in a two-way Gigabit optical fiber link redundancy manner.

[0009] Preferably, the workshop core unit also includes a second core switch, and the second core switch is communicatively connected to the first central control switch, the second central control switch, the server group, and the video display management and control system.

[0010] Preferably, the video display management and control system adopts a distributed system.

[0011] Preferably, the video display control system includes a signal source unit, an encoding node unit, a communication unit, a video decoding node group, a large-screen sending box group and an LED large screen;

[0012] The signal source unit includes a number of high-performance seat terminals, a number of ordinary seat terminals, a monitoring decoder, a mobile computer and a wireless screen projector; the number of high-performance seat terminals, a number of ordinary seat terminals, the monitoring decoder and the wireless screen projector are all connected to the first core switch, and the mobile computer is connected to the wireless screen projector;

[0013] The coding node unit includes a plurality of first coding nodes, a plurality of second coding nodes, a plurality of third coding nodes and a fourth coding node; a plurality of first coding nodes correspond one-to-one to a plurality of high-performance seat terminals, and the corresponding first coding nodes are connected in communication with the high-performance seat terminals; a plurality of second coding nodes correspond one-to-one to a plurality of ordinary seat terminals, and the corresponding second coding nodes are connected in communication with the ordinary seat terminals; a plurality of third coding nodes are connected in communication with the monitoring decoder; and a fourth coding node is connected in communication with the wireless screen projector;

[0014] The communication unit includes a plurality of high-performance switches and a plurality of wireless access points, the plurality of high-performance switches and the plurality of wireless access points correspond to each other one by one, and the corresponding high-performance switches and the wireless access points are communicatively connected; a plurality of first coding nodes, a plurality of second coding nodes, a plurality of third coding nodes and a fourth coding node are communicatively connected to the plurality of high-performance switches respectively;

[0015] The video decoding node group includes a plurality of video decoding nodes, and the plurality of video decoding nodes are communicatively connected with a plurality of high-performance switches;

[0016] The large-screen sending box group includes a plurality of large-screen sending boxes, and the plurality of large-screen sending boxes correspond to a plurality of video decoding nodes one by one, and the corresponding large-screen sending boxes are communicatively connected with the video decoding nodes;

[0017] The LED large screen includes a receiving card group, which includes a plurality of receiving cards. The plurality of receiving cards correspond to a plurality of large screen sending boxes one by one, and the corresponding receiving cards are communicatively connected with the large screen sending boxes.

[0018] Preferably, the video decoding point group adopts a dual-node hot backup mode, the large-screen sending box group adopts a dual-signal hot backup mode, and the receiving card group adopts a dual-receiving card hot backup mode.

[0019] Preferably, the video display management and control system further includes a lossless distributed system integrated management and control platform, and the lossless distributed system integrated management and control platform is communicatively connected to a plurality of high-performance switches.

[0020] The utility model provides a management and control network platform for a leaf threshing and re-roasting production line, which has the following beneficial effects:

[0021] (1) By integrating the subsystems within the threshing and redrying production line into a network, the monitoring, supervision, dispatching, commanding and coordinating functions of the threshing and redrying production line are realized, thereby realizing the comprehensive presentation and rapid dispatch of production operation and operational data.

[0022] (2) By designing two core switches, the first on-site switch, the second on-site switch, the third on-site switch, the fourth on-site switch and the fifth on-site switch all use two Gigabit optical fiber links for redundant communication with the second central control switch, and the video decoding point group uses a dual-node hot backup method, the large-screen sending box group uses a dual-signal hot backup method, and the receiving card group uses a dual-receiving card hot backup method, thus achieving a functional redundancy design, which helps to improve the stability and security of the operation of the management and control network platform of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to better understand the above and other purposes, features, advantages and functions of the present invention, reference may be made to the embodiments shown in the accompanying drawings. The same reference numerals in the accompanying drawings refer to the same components. It should be understood by those skilled in the art that the accompanying drawings are intended to schematically illustrate the preferred embodiments of the present invention and have no limiting effect on the scope of the present invention, and the components in the drawings are not drawn to scale.

[0024] Figure 1 Shown is a structural block diagram according to an embodiment of the utility model.

[0025] Reference numerals:

[0026] 11. First central control switch; 111. Third transfer switch; 12. Leaf segment switch; 13. Segment switch; 14. Pre-pressing and packing segment switch; 141. First transfer switch; 142. Second transfer switch; 15. Segment switch; 21. Second central control switch; 22. First on-site switch; 23. Second on-site switch; 24. Third on-site switch; 25. Fourth on-site switch; 26. Fifth on-site switch; 3. Engineer station; 41. First core switch; 42. Second core switch; 5. Server group; 6. Operation and maintenance management unit; 7. Video display control system; 711. High-performance seat terminal; 712. Ordinary seat terminal; 713. Monitoring decoder; 714. Mobile computer; 715. Wireless screen projector; 721. First encoding node; 722. Second encoding node; 723. Third encoding node; 724. Fourth encoding node; 731. High-performance switch; 732. Wireless access point; 74. Lossless distributed system integrated management and control platform; 75. Video decoding node group; 76. Large-screen sending box group; 77. LED large screen; 771. Receiving card group; 8. Industrial firewall; 81. Factory-level network; 82. Logistics network; 9. Management machine; 10. Monitoring client. DETAILED DESCRIPTION

[0027] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0028] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects. Other explicit and implicit definitions may also be included below.

[0029] In order to at least partially solve one or more of the above-mentioned problems and other potential problems, an embodiment of the present disclosure proposes a management and control network platform for a leaf threshing and redrying production line, including a production control unit, a production information unit, an engineer station 3, a workshop core unit, a server group 5, an operation and maintenance management unit 6, and a video display management and control system 7; the production control unit includes a first field access layer and a first central control room aggregation layer; the first field access layer includes a number of PLC controllers and detection devices, and the several PLC controllers and detection devices are respectively communicated with each production equipment in the production workshop; the first central control room aggregation layer includes a first central control switch 11, and the first central control switch 11 is communicated with several PLC controllers and detection devices; the production information unit includes a second field access layer and a second central control room aggregation layer; the second field access layer includes a number of display display screens and operation stations, and several display screens and operation stations are respectively communicated and connected with various production equipment in the production workshop; the second control room aggregation layer includes a second central control switch 21, and the second central control switch 21 is communicated and connected with several display screens and operation stations; the engineer station 3 is communicated and connected with the first central control switch 11 and the second central control switch 21; the workshop core unit includes a first core switch 41, and the first core switch 41 is communicated and connected with the first central control switch 11 and the second central control switch 21; the server group 5 includes several servers, and several servers are communicated and connected with the first core switch 41; the operation and maintenance management unit 6 includes several operation and maintenance management systems and operation and maintenance management platforms, and several operation and maintenance management systems and operation and maintenance management platforms are communicated and connected with the second central control switch 21; the video display control system 7 is communicated and connected with the first core switch 41.

[0030] like Figure 1As shown, the production control unit includes a first field access layer and a first central control room aggregation layer; the first field access layer includes a plurality of PLC controllers and detection devices, and the plurality of PLC controllers and detection devices are respectively connected to the various production equipment in the production workshop in communication; the first central control room aggregation layer includes a first central control switch 11, and the first central control switch 11 is connected to the plurality of PLC controllers and detection devices in communication; preferably, the first central control room aggregation layer also includes a leaf beating section switch 12, a leaf roasting section switch, a pre-pressing and packaging section switch 14, and a stem roasting section switch 15; the leaf beating section switch 12, the leaf roasting section switch, the pre-pressing and packaging section switch 14, the stem roasting section switch 15 and the first central control switch 11 are connected with a ring topology structure by gigabit optical fiber communication, and the plurality of PLC controllers and detection devices are respectively connected to the leaf beating section switch according to the principle of proximity. The switch 12, the leaf roasting section switch, the pre-pressing and packaging section switch 14, the stem roasting section switch 15 and the first central control switch 11 are connected by standard industrial Ethernet communication of 100M; in some embodiments, the PLC controllers and detection devices on some production equipment are far away from the leaf beating section switch 12, the leaf roasting section switch, the pre-pressing and packaging section switch 14, the stem roasting section switch 15 and the first central control switch 11. The first central control room aggregation layer in the present application also includes multiple switching switches, and the multiple switching switches are respectively communicated with the first central control switch 11, and / or the leaf beating section switch 12, and / or the leaf roasting section switch, and / or the pre-pressing and packaging section switch 14, and / or the stem roasting section switch 15; multiple PLC controllers and detection devices among the multiple PLC controllers and detection devices are respectively communicated with multiple switching switches.

[0031] In this embodiment, if Figure 1 As shown, the production control unit includes a first field access layer and a first central control room convergence layer; the first field access layer includes a number of PLC controllers and detection devices, and the several PLC controllers and detection devices include a CB1 master control PLC, a pretreatment deodorization PLC, a vacuum rehumidification master control PLC, a CB2 master control PLC, a leaf beater PLC, an intelligent stem removal system PLC, a leaf structure detection device, a hemp fiber removal machine PLC, a spectrum impurity remover PLC, a CB6 master control PLC, a CB3 master control PLC, a CB4 master control PLC, a tobacco sheet loosening PLC, a CB5 master control PLC, a clamping lift PLC, a lifter / folding carton PLC, a roasted sheet flavoring and deodorization PLC, a CB7 master control PLC, and a flavoring machine PLC.

[0032] The aggregation layer of the first central control room includes the first central control switch 11, the leaf-beating section switch 12, the leaf-baking section switch, the pre-pressing and packaging section switch 14, the stem-baking section switch 15, the first transit switch 141, the second transit switch 142 and the third transit switch 111; the first central control switch 11, the leaf-beating section switch 12, the leaf-baking section switch, the pre-pressing and packaging section switch 14 and the stem-baking section switch 15 are all SCALANCE XM400 type two-layer switches of SIEMENS company, and the leaf-beating section switch 12, the leaf-baking section switch, the pre-pressing and packaging section switch 14, the stem-baking section switch 15 and the first central control switch 11 are connected by a ring topology structure with gigabit optical fiber communication, and the SIEMENS MRP / HRP ring network redundancy communication protocol is adopted to form a redundant ring network with a reconstruction time of less than 300ms; the first transit switch 141 and the second transit switch 142 are both communicatively connected to the pre-pressing and packaging section switch 14, and the third transit switch 111 is communicatively connected to the first central control switch 11.

[0033] The CB1 master PLC and the pre-treatment deodorization PLC are connected to the first central control switch 11 with a standard industrial Ethernet communication of 100M; the vacuum rehumidification master PLC is connected to the third transfer switch 111 with a standard industrial Ethernet communication of 100M; the CB2 master PLC, the leaf threshing machine PLC, the intelligent stem removal system PLC, the leaf structure detection device, the hemp fiber removal machine PLC, the spectrum impurity removal machine PLC and the CB6 master PLC are connected to the leaf threshing section switch 12 with a standard industrial Ethernet communication of 100M; the CB3 master PLC is connected to the roasting section switch 13 with a standard industrial Ethernet communication of 100M. Quasi-industrial Ethernet communication connection; CB4 master PLC and tobacco loosening PLC are connected to the pre-pressing and packaging section switch 14 with a standard industrial Ethernet communication of 100M; CB5 master PLC, clamping elevator PLC and hoist / folding carton PLC are connected to the first switching switch 141 with a standard industrial Ethernet communication of 100M; toasted slice flavoring and deodorizing PLC is connected to the second switching switch 142 with a standard industrial Ethernet communication of 100M; CB7 master PLC and flavoring machine PLC are connected to the roasted stem section switch 15 with a standard industrial Ethernet communication of 100M.

[0034] The production information unit includes a second field access layer and a second central control room convergence layer; the second field access layer includes a plurality of display screens and operation stations, and the plurality of display screens and operation stations are respectively connected to the various production equipment in the production workshop in communication; the second central control room convergence layer includes a second central control switch 21, and the second central control switch 21 is connected to the plurality of display screens and operation stations in communication; preferably, the second central control room convergence layer also includes a first field switch 22, a second field switch 23, a third field switch 24, a fourth field switch 25 and a fifth field switch 26, and the first field switch 22, the second field switch 23, the third field switch 24, the fourth field switch 25 and the fifth field switch 26 are connected to the second central control switch 21 in a star topology structure, and the plurality of display screens are respectively connected to the second central control switch 21 in communication. The operation station is communicated and connected with the first on-site switch 22, the second on-site switch 23, the third on-site switch 24, the fourth on-site switch 25 and the fifth on-site switch 26 according to the principle of proximity; more preferably, the first on-site switch 22, the second on-site switch 23, the third on-site switch 24, the fourth on-site switch 25 and the fifth on-site switch 26 are all communicated and connected with the second central control switch 21 in a two-way gigabit optical fiber link redundant manner; the second central control switch 21 is communicated and connected with the industrial firewall 8 in a two-way gigabit optical fiber link redundant manner, and the factory-level network 81 and the logistics network 82 are connected to the management and control network platform of this application through communication connection with the industrial firewall 8; the second central control switch 21 is communicated and connected with multiple management machines 9 and multiple monitoring clients 10.

[0035] In this embodiment, if Figure 1 As shown, the production information unit includes the second field access layer and the second central control room convergence layer; the second field access layer includes several display screens and operation stations, and the several display screens and operation stations include CB1 main control field operation station, box turning area LED display screen 1, box turning area LED display screen 2, pre-treatment leaf storage cabinet LED1, pre-treatment leaf storage cabinet LED2, leaf threshing entrance field operation station, CB2 main control field operation station 1, CB2 main control field operation station 2, CB3 main control field operation station, pre-baking leaf threshing storage cabinet LED, CB4 main control field operation station, post-baking leaf threshing storage cabinet LED, baler LED, CB7 main control field operation station, quality inspection room management machine, CB5 main control field operation station.

[0036] The second control room aggregation layer includes a second central control switch 21, a first field switch 22, a second field switch 23, a third field switch 24, a fourth field switch 25 and a fifth field switch 26; the second central control switch 21 adopts a high-performance commercial switch, and the first field switch 22, the second field switch 23, the third field switch 24, the fourth field switch 25 and the fifth field switch 26 all adopt industrial gigabit access switches. The first field switch 22, the second field switch 23, the third field switch 24, the fourth field switch 25 and the fifth field switch 26 are communicated and connected with the second central control switch 21 in a star topology structure, that is, the first field switch 22, the second field switch 23, the third field switch 24, the fourth field switch 25 and the fifth field switch 26 are all communicated and connected with the second central control switch 21 in a two-way gigabit optical fiber link redundant manner.

[0037] The CB1 master control field operation station, the box turning area LED display screen 1, the box turning area LED display screen 2, the pre-treatment leaf storage cabinet LED1 and the pre-treatment leaf storage cabinet LED2 are all connected to the first field switch 22 with a standard industrial Ethernet communication of 100 megabits; the leaf threshing entrance field operation station, the CB2 master control field operation station 1 and the CB2 master control field operation station 2 are all connected to the second field switch 23 with a standard industrial Ethernet communication of 100 megabits; the CB3 master control field operation station and the pre-baking leaf threshing cabinet LED are all connected to the third field switch 24 with a standard industrial Ethernet communication of 100 megabits; the CB4 master control field operation station, the post-baking leaf threshing cabinet LED, the baler LED, the CB7 master control field operation station and the quality inspection room management machine are all connected to the fourth field switch 25 with a standard industrial Ethernet communication of 100 megabits; the CB5 master control field operation station is connected to the fifth field switch 26 with a standard industrial Ethernet communication of 100 megabits; preferably, at least one port is reserved on the first field switch 22, the second field switch 23, the third field switch 24, the fourth field switch 25 and the fifth field switch 26.

[0038] The engineer station 3 is a dual-network card type engineer station 3 , and the engineer station 3 is communicatively connected to both the first central control switch 11 and the second central control switch 21 .

[0039] The workshop core unit includes a first core switch 41. Preferably, the workshop core unit also includes a second core switch 42. The first core switch 41 and the second core switch 42 both use 10 Gigabit optical port switches to form a redundant configuration; the first core switch 41 and the second core switch 42 are respectively connected to the first central control switch 11 and the second central control switch 21 via a 10 Gigabit link communication; preferably, the first core switch 41 and the second core switch 42 are both reserved with communication interfaces.

[0040] The server group 5 includes several servers, and the several servers are connected to the first core switch 41 and the second core switch 42 via an optical fiber link; preferably, the server group 5 adopts a virtualized server group 5, specifically, the virtualized server group 5 includes a SCADA server, an I / O server, a WEB server, an OPC server, a database server, and a management application server.

[0041] The operation and maintenance management unit 6 includes several operation and maintenance management systems and operation and maintenance management platforms, which are all communicatively connected to the second central control switch 21; specifically, the several operation and maintenance management systems and operation and maintenance management platforms include an industrial control intrusion detection system, an industrial control security audit system, an industrial firewall 8 backup, and an industrial network security monitoring and early warning platform.

[0042] The video display control system 7 is connected to the first core switch 41 and the second core switch 42 by optical fiber links. Preferably, the video display control system 7 adopts a distributed system, and the video display control system 7 includes a signal source unit, an encoding node unit, a communication unit, a video decoding node group 75, a large screen sending box group 76 and an LED large screen 77; the signal source unit includes a number of high-performance seat terminals 711, a number of ordinary seat terminals 712, a monitoring decoder 713, a mobile computer 714 and a wireless screen projector 715; a number of high-performance seat terminals 711, a number of ordinary seat terminals 712, a monitoring decoder 713 and a wireless screen projector 715 are all connected to the first core switch 41 and the second core switch 42, and the mobile computer 714 and the wireless screen projector 715 are connected to the first core switch 41 and the second core switch 42. Communication connection; the coding node unit includes a plurality of first coding nodes 721, a plurality of second coding nodes 722, a plurality of third coding nodes 723 and a fourth coding node 724; a plurality of first coding nodes 721 correspond one-to-one with a plurality of high-performance seat terminals 711, and the corresponding first coding nodes 721 are in communication connection with the high-performance seat terminals 711; a plurality of second coding nodes 722 correspond one-to-one with a plurality of ordinary seat terminals 712, and the corresponding second coding nodes 722 are in communication connection with the ordinary seat terminals 712; a plurality of third coding nodes 723 are in communication connection with the monitoring decoder 713; the fourth coding node 724 is in communication connection with the wireless screen projector 715 The communication unit includes a plurality of high-performance switches 731 and a plurality of wireless access points 732, and the plurality of high-performance switches 731 and the plurality of wireless access points 732 correspond to each other one by one, and the corresponding high-performance switches 731 and the wireless access points 732 are communicatively connected; a plurality of first coding nodes 721, a plurality of second coding nodes 722, a plurality of third coding nodes 723 and a fourth coding node 724 are communicatively connected to the plurality of high-performance switches 731 respectively; preferably, the video display control system 7 also includes a lossless distributed system integrated control platform 74, and the lossless distributed system integrated control platform 74 is communicatively connected to the plurality of high-performance switches 731; the video decoding point group adopts Dual-node hot backup mode, the video decoding node group 75 includes several video decoding nodes, and the several video decoding nodes are communicatively connected to multiple high-performance switches 731; the large-screen sending box group 76 adopts a dual-signal hot backup mode, the large-screen sending box group 76 includes several large-screen sending boxes, and the several large-screen sending boxes correspond one-to-one to the several video decoding nodes, and the corresponding large-screen sending boxes are communicatively connected to the video decoding nodes; the LED large screen 77 includes a receiving card group 771, and the receiving card group 771 adopts a dual receiving card hot backup mode, the receiving card group 771 includes several receiving cards, and the several receiving cards correspond one-to-one to the several large-screen sending boxes, and the corresponding receiving cards are communicatively connected to the large-screen sending boxes.

[0043] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the present invention.

Claims

1. A management and control network platform for a leaf threshing and redrying production line, characterized by: It includes a production control unit, a production information unit, an engineer station (3), a workshop core unit, a server group (5), an operation and maintenance management unit (6), and a video display control system (7); The production control unit comprises a first field access layer and a first central control room convergence layer; the first field access layer comprises a plurality of PLC controllers and detection devices, and the plurality of PLC controllers and detection devices are respectively connected to each production equipment in the production workshop for communication; the first central control room convergence layer comprises a first central control switch (11), and the first central control switch (11) is connected to each of the plurality of PLC controllers and detection devices for communication; The production information unit comprises a second field access layer and a second central control room convergence layer; the second field access layer comprises a plurality of display screens and operation stations, and the plurality of display screens and operation stations are respectively connected to each production equipment in the production workshop for communication; the second central control room convergence layer comprises a second central control switch (21), and the second central control switch (21) is connected to each of the plurality of display screens and operation stations for communication; The engineer station (3) is communicatively connected to the first central control switch (11) and the second central control switch (21); The workshop core unit comprises a first core switch (41), and the first core switch (41) is communicatively connected to the first central control switch (11) and the second central control switch (21); The server group (5) includes a plurality of servers, and the plurality of servers are all communicatively connected to the first core switch (41); The operation and maintenance management unit (6) includes a plurality of operation and maintenance management systems and an operation and maintenance management platform, and the plurality of operation and maintenance management systems and the operation and maintenance management platform are all communicatively connected to the second central control switch (21); The video display control system (7) is communicatively connected to the first core switch (41).

2. A management and control network platform for a leaf threshing and redrying production line according to claim 1, characterized in that: The first central control room convergence layer also includes a leaf beating section switch (12), a leaf roasting section switch, a pre-pressing and packaging section switch (14) and a stem roasting section switch (15); the leaf beating section switch (12), the leaf roasting section switch, the pre-pressing and packaging section switch (14), the stem roasting section switch (15) and the first central control switch (11) are communicatively connected using a ring topology structure, and a plurality of PLC controllers and detection devices are communicatively connected to the leaf beating section switch (12), the leaf roasting section switch, the pre-pressing and packaging section switch (14), the stem roasting section switch (15) and the first central control switch (11) respectively.

3. A management and control network platform for a leaf threshing and redrying production line according to claim 2, characterized in that: The first central control room aggregation layer also includes a plurality of switching switches, which are respectively connected to the first central control switch (11), and / or the leaf beating section switch (12), and / or the leaf roasting section switch, and / or the pre-pressing and packaging section switch (14), and / or the stem roasting section switch (15); and a plurality of PLC controllers and detection devices in the plurality of PLC controllers and detection devices are respectively connected to the plurality of switching switches.

4. A management and control network platform for a leaf threshing and redrying production line according to claim 1, characterized in that: The second central control room aggregation layer further comprises a first on-site switch (22), a second on-site switch (23), a third on-site switch (24), a fourth on-site switch (25) and a fifth on-site switch (26); the first on-site switch (22), the second on-site switch (23), the third on-site switch (24), the fourth on-site switch (25) and the fifth on-site switch (26) are communicatively connected to the second central control switch (21) in a star topology structure; and a plurality of display screens and operation stations are communicatively connected to the first on-site switch (22), the second on-site switch (23), the third on-site switch (24), the fourth on-site switch (25) and the fifth on-site switch (26) respectively.

5. A management and control network platform for a leaf threshing and redrying production line according to claim 4, characterized in that: The first on-site switch (22), the second on-site switch (23), the third on-site switch (24), the fourth on-site switch (25) and the fifth on-site switch (26) are all connected to the second central control switch (21) in a redundant manner using two gigabit optical fiber links.

6. A management and control network platform for a leaf threshing and redrying production line according to claim 1, characterized in that: The workshop core unit also includes a second core switch (42), and the second core switch (42) is communicatively connected to the first central control switch (11), the second central control switch (21), the server group (5), and the video display management and control system (7).

7. The management and control network platform for the leaf threshing and redrying production line according to claim 1 is characterized by: The video display control system (7) adopts a distributed system.

8. A management and control network platform for a leaf threshing and redrying production line according to claim 7, characterized in that: The video display control system (7) comprises a signal source unit, an encoding node unit, a communication unit, a video decoding node group (75), a large-screen sending box group (76) and an LED large screen (77); The signal source unit includes a plurality of high-performance seat terminals (711), a plurality of ordinary seat terminals (712), a monitoring decoder (713), a mobile computer (714) and a wireless screen projector (715); the plurality of high-performance seat terminals (711), the plurality of ordinary seat terminals (712), the monitoring decoder (713) and the wireless screen projector (715) are all connected to the first core switch (41) for communication, and the mobile computer (714) is connected to the wireless screen projector (715) for communication; The coding node unit includes a plurality of first coding nodes (721), a plurality of second coding nodes (722), a plurality of third coding nodes (723) and a fourth coding node (724); the plurality of first coding nodes (721) correspond one-to-one to the plurality of high-performance seat terminals (711), and the corresponding first coding nodes (721) are communicatively connected to the high-performance seat terminals (711); the plurality of second coding nodes (722) correspond one-to-one to the plurality of ordinary seat terminals (712), and the corresponding second coding nodes (722) are communicatively connected to the ordinary seat terminals (712); the plurality of third coding nodes (723) are all communicatively connected to the monitoring decoder (713); and the fourth coding node (724) is communicatively connected to the wireless screen projector (715); The communication unit comprises a plurality of high-performance switches (731) and a plurality of wireless access points (732), the plurality of high-performance switches (731) and the plurality of wireless access points (732) correspond one to one, and the corresponding high-performance switches (731) and the wireless access points (732) are communicatively connected; a plurality of first coding nodes (721), a plurality of second coding nodes (722), a plurality of third coding nodes (723) and a fourth coding node (724) are communicatively connected to the plurality of high-performance switches (731) respectively; The video decoding node group (75) includes a plurality of video decoding nodes, and the plurality of video decoding nodes are communicatively connected to a plurality of high-performance switches (731); The large screen sending box group (76) includes a plurality of large screen sending boxes, the plurality of large screen sending boxes correspond to a plurality of video decoding nodes one by one, and the corresponding large screen sending boxes are connected in communication with the video decoding nodes; The LED large screen (77) includes a receiving card group (771), which includes a plurality of receiving cards. The plurality of receiving cards correspond to a plurality of large screen sending boxes one by one, and the corresponding receiving cards are communicatively connected with the large screen sending boxes.

9. A management and control network platform for a leaf threshing and redrying production line according to claim 8, characterized in that: The video decoding node group (75) adopts a dual-node hot backup mode, the large-screen sending box group (76) adopts a dual-signal hot backup mode, and the receiving card group (771) adopts a dual-receiving card hot backup mode.

10. The management and control network platform for the leaf threshing and redrying production line according to claim 1, characterized in that: The video display control system (7) further comprises a lossless distributed system integrated control platform (74), and the lossless distributed system integrated control platform (74) is communicatively connected to a plurality of high-performance switches (731).

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